private void panelHolst_MouseUp(object sender, MouseEventArgs e)
{
pointEnd.X = MousePosition.X - this.Location.X - panelHolst.Location.X - 4;
pointEnd.Y = MousePosition.Y - this.Location.Y - panelHolst.Location.Y - 19;
ConstructorInfo inf = currentFigure.GetConstructor(new Type[] { });
var instance = (Figure)inf.Invoke(new object[] { });
instance.pointBegin = pointBegin;
instance.pointEnd = pointEnd;
figlst.addToList(instance);
figlst.DrawList();
}